ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,777,799, issued on Oct. 27, was assigned to Hefei BOE Joint Technology Co. Ltd. (Hefei, China) and BOE Technology Group Co. Ltd. (Beijing).

"Display substrate, preparation method therefor, and display apparatus" was invented by Can Yuan (Beijing), Yongqian Li (Beijing), Zhidong Yuan (Beijing), Luke Ding (Beijing) and Liu Wu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a display substrate includes including multiple repetition units, wherein a repetition unit includes a display region and a light transmitting region. The display region includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit and a light emitting de...